WO2011042984A1 - Rotor et procédé de fabrication associé - Google Patents

Rotor et procédé de fabrication associé Download PDF

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Publication number
WO2011042984A1
WO2011042984A1 PCT/JP2009/067633 JP2009067633W WO2011042984A1 WO 2011042984 A1 WO2011042984 A1 WO 2011042984A1 JP 2009067633 W JP2009067633 W JP 2009067633W WO 2011042984 A1 WO2011042984 A1 WO 2011042984A1
Authority
WO
WIPO (PCT)
Prior art keywords
core
welding
hole
shaft
transmission member
Prior art date
Application number
PCT/JP2009/067633
Other languages
English (en)
Japanese (ja)
Inventor
赫秀 権
元喜 渡辺
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to KR1020117017167A priority Critical patent/KR101224700B1/ko
Priority to CN200980155423.8A priority patent/CN102292898B/zh
Priority to EP09850255.2A priority patent/EP2487777A4/fr
Priority to JP2011506515A priority patent/JP5126414B2/ja
Priority to US13/145,864 priority patent/US8669686B2/en
Priority to PCT/JP2009/067633 priority patent/WO2011042984A1/fr
Publication of WO2011042984A1 publication Critical patent/WO2011042984A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y10T29/49012—Rotor

Definitions

  • the present invention relates to a rotor having a core made of laminated steel sheets and a rotation transmission member for transmitting the rotation of the core to the outside or transmitting the rotation from the outside to the core, and a method for manufacturing the same. More specifically, the present invention relates to a technique for securely fixing a core and a rotation transmission member.
  • a rotor used in a rotating electric machine there is a rotor in which a core made of laminated steel plates laminated with electromagnetic steel plates is fixed to a rotation transmission member.
  • the rotation transmitting member is, for example, a shaft if it is a rotor of an inner rotor type rotating electrical machine. Then, it is necessary to prevent any rotation between the steel plates forming the core, rotation around the axis between the core and the shaft, and slipping of the core in the shaft axis direction.
  • each steel plate is crimped small (see, for example, Patent Documents 1 and 2).
  • both end portions in the stacking direction of the core are sandwiched between members such as a plate member, a flange, and a core back, and are fixed to the shaft via these members. Therefore, a space for arranging these members is required.
  • a space for laser welding is required between the core back and the shaft. In order to further reduce the size and weight of rotating electrical machines, it has been desired to reduce these members and spaces as much as possible.
  • the present invention has been made in order to solve the problems of the conventional techniques described above. That is, it is an object of the present invention to provide a rotor that can be easily reduced in size and weight and can be manufactured with a small number of steps, and a method for manufacturing the same.
  • the rotor according to one aspect of the present invention which has been made for the purpose of solving this problem, is composed of a laminated steel plate, a core on which a rotation transmission member mounting end surface is formed over the entire lamination direction, and a rotor mounted on the rotation transmission member mounting end surface of the core.
  • the rotor has a rotation transmission member
  • the core has a welding end face extending in the entire lamination direction at a position adjacent to the rotation transmission member mounting end face, and the welding end face is connected to the rotation transmission member.
  • the welding scar that extends is formed over the entire stacking direction of the core.
  • the welding end surface is formed adjacent to the rotation transmission member attachment end surface to which the core and the rotation transmission member are attached.
  • the adjacent positions are positions where they can be melted together by welding and solidified and integrated.
  • the welding trace which reaches the rotation transmission member is formed in the end surface for welding, it turns out that the core and the rotation transmission member are fixed by welding.
  • the weld trace is formed over the entire stacking direction of the core, all the laminated steel plates constituting the core are all fixed to the rotation transmission member. Accordingly, the rotating electrical machine can be easily reduced in size and weight, and the rotor can be manufactured with a small number of processes.
  • the rotation transmitting member is a shaft disposed so as to penetrate the rotation center of the rotor, and the core includes a shaft through hole for penetrating the shaft, and a shaft through hole.
  • the rotation transmission member mounting end surface is the wall surface of the shaft through hole
  • the welding end surface is the welding through hole.
  • the wall surface on the side of the through hole for the shaft is desirable. If it is in this way, welding between the end face for welding from the end face for welding to the through hole for the shaft by using the through hole for welding can be performed to melt the space between them to the shaft. .
  • the size of the welding through hole in the circumferential direction of the core is 2 mm or more, and the size D of the welding through hole in the radial direction of the core is equal to L As D ⁇ L ⁇ tan10 ° It is desirable to satisfy If it is such, it can irradiate a beam so that it may reach from one edge part of the lamination direction of a core to the other edge part.
  • the rotation transmission member is a shaft disposed so as to penetrate the rotation center of the rotor, and the core has a through hole for penetrating the shaft throughout the stacking direction.
  • the rotation transmission member mounting end surface is formed as a part of the wall surface of the through hole, and the welding end surface may be a portion along the rotation transmission member mounting end surface of the wall surface of the through hole. If it is in this way, by using a through-hole and welding toward the boundary between the wall surface and the shaft, both of them can be melted to perform the welding up to the shaft.
  • Another aspect of the present invention is a rotor comprising a laminated steel plate and having a core formed with a rotation transmission member mounting end surface over the entire lamination direction, and a rotation transmission member attached to the rotation transmission member mounting end surface of the core.
  • a plurality of steel plates each having a rotation transmission member mounting end surface and a welding end surface formed at a position adjacent to the rotation transmission member mounting end surface to form a core, and the rotation transmission member mounting
  • a rotor having a step of attaching a rotation transmission member to an end face, and a step of welding a beam (electron beam or laser beam) in a range extending from the welding end face to the rotation transmission member over the entire stacking direction of the core. It is a manufacturing method.
  • steel plates can be laminated to form a core having a rotation transmission member mounting end face and a welding end face. Furthermore, if a rotation transmission member is attached to the core and welding is performed from the end face for welding, a rotor having weld marks can be easily manufactured.
  • the rotating electrical machine can be easily reduced in size and weight, and can be manufactured with a small number of processes.
  • the present invention is applied to a rotor in which a core made of laminated steel plates is fixed to a shaft.
  • the rotor 10 of the present embodiment has a core 11 fixed to a shaft 12 as shown in FIGS.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • the core 11 of the rotor 10 of this embodiment is formed of laminated steel plates, and permanent magnets 14 are embedded in various places.
  • the rotor 10 is used for an inner rotor type motor of a permanent magnet embedded type (IPM type).
  • a plurality of types of through holes 23, 24, 25, and 26 are formed in the core 11.
  • through holes 23 provided on the outermost peripheral side penetrate the core 11 in the stacking direction, and permanent magnets 14 are embedded therein.
  • the through holes 23 are arranged in a balanced manner in almost all directions. Note that the core 11 of this embodiment has 16 through holes 23 formed in total.
  • a plurality of through holes 24 are arranged on the inner peripheral side of the core 11 from the through holes 23 as shown in FIG.
  • the through hole 24 is for reducing the weight of the core 11, and its inside is a cavity.
  • welding through holes 25 having slightly different shapes from the through holes 24 are formed at two positions in the vertical direction in the figure.
  • a shaft through hole 26 is formed at the position of the rotation center of the core 11.
  • the shaft through hole 26 is formed to have a diameter that allows the shaft to pass therethrough, and FIGS. 1 and 2 show a state in which the shaft 12 passes therethrough.
  • the welding through hole 25 is formed to a position very close to the shaft through hole 26 as shown in FIG. That is, the wall surface 25 a on the shaft through hole 26 side of the welding through hole 25 is formed at a position adjacent to the wall surface of the shaft through hole 26.
  • a bridge portion 28 is provided between the wall surface 25 a and the shaft through hole 26. In other words, the welding through hole 25 and the shaft through hole 26 are partitioned by the bridge portion 28.
  • a welding mark 29 is formed on the bridge portion 28.
  • the welding mark 29 penetrates the bridge portion 28 and extends from the wall surface 25 a to a part of the shaft 12. As shown in FIG. 2, the welding mark 29 is formed in a streak shape over the entire stacking direction of the cores 11. That is, it is formed over the entire core 11 along the axial direction of the shaft 12.
  • the welding mark 29 is a mark that is welded by irradiating an electron beam from the welding through hole 25 toward the wall surface 25a.
  • This weld mark 29 indicates that the bridge portion 28 and the surface portion of the shaft 12 are fused and integrated for all the steel plates of the core 11. At the same time, the steel plates constituting the core 11 are also fused and integrated with each other at the position of the weld mark 29. This prevents any rotation between the steel plates of the core 11, rotation of the core 11 around the shaft 12, and movement of the core 11 in the axial direction of the shaft 12. That is, the core 11 and the shaft 12 are securely fixed by the welding marks 29.
  • the shaft 12 corresponds to a rotation transmission member.
  • the wall surface of the shaft through hole 26 of the core 11 corresponds to the rotation transmission member mounting end surface, and the wall surface 25a of the welding through hole 25 corresponds to the welding end surface.
  • the welding trace 29 has penetrated the bridge part 28, the shaft through-hole 26 and the wall surface 25a via the bridge part 28 exist in the adjacent position. According to this embodiment, in order to fix the core 11 and the shaft 12, there is no need to bring a plate member into contact with the end portion in the stacking direction or to form a keyway on the shaft.
  • the welding through-hole 25 is two places here, as long as the core 11 and the shaft 12 can be fixed reliably, one place may be sufficient and it is good also as three or more places. Moreover, there is no restriction
  • each yoke 41 is punched from the original plate as shown in FIG.
  • the yokes 41 having substantially the same disk shape and the same shape are manufactured as many as the cores 11 as necessary.
  • through holes 43, 44, 45, and 46 are simultaneously formed by punching at locations corresponding to the through holes 23, 24, 25, and 26 of the core 11, respectively.
  • each yoke 41 is formed with a bridge 48 corresponding to the bridge portion 28 of the core 11 between the through hole 45 and the through hole 46.
  • the necessary number of yokes 41 are stacked on the core 11.
  • the positions of the through holes 43, 44, 45, 46 of each yoke 41 are aligned and stacked.
  • the through holes 43 of the yokes 41 overlap to form the through holes 23 of the core 11.
  • the through holes 44, 45, 46 of each yoke 41 overlap to form the through holes 24, 25, 26 of the core 11, respectively.
  • a permanent magnet may be embedded in each through-hole 23 formed or may be embedded in a later step.
  • the shaft 12 manufactured separately is passed through the portion (the shaft through hole 26) where the through holes 46 of the yokes 41 laminated in the (2) lamination step overlap. Then, the shaft 12 is inserted to an appropriate position.
  • the electron beam 52 strikes the bridge 48 (A) of the yoke 41 at the end closest to the incident side (the left end in the figure). Positioning is in progress. Then, the electron beam 52 (A) is irradiated. As a result, the portion of the bridge 48 (A) that has been hit by the electron beam 52 (A) is melted. Furthermore, the periphery melts and the melting region extends to the shaft 12. As the melted portion hardens, the yoke 41 and the shaft 12 are fixed at this location.
  • the electron gun 51 is moved along the axial direction of the shaft 12 from left to right in FIG.
  • the incident direction of the electron beam 52 is set to a plane formed by the radial direction of the core 11 and the axial direction of the shaft 12 at the location of the through hole 25 for welding. Thereby, it is possible to prevent the electron beam 52 from hitting any place other than the bridge 48.
  • the bridges 48 of all the yokes 41 are welded to the outer peripheral surface of the shaft 12. Welding is complete. Further, if the permanent magnet is not embedded in the previous (2) lamination step, it is performed after this. Thus, the rotor 10 is manufactured.
  • the jig 61 may be disposed at the right end of the core 11 in the drawing, and the leftmost yoke 41 in the drawing may be pushed from the left to the right in the drawing as indicated by a white arrow in the drawing. Further, in this figure, a jig 63 is applied to the shaft 12 so as not to be displaced. Alternatively, the entire core 11 may be sandwiched in the stacking direction and held so as not to be displaced.
  • a predetermined space is required above the bridge 48 in the drawing so that the electron beam 52 can be applied to the side farthest from the electron gun 51 (the right end in FIG. 4). It is.
  • the incident angle ⁇ with respect to the weld surface is required to be at least 10 ° or more as shown in FIG. Therefore, the space required above the bridge 48, that is, the radial size D of the core 11 of the through hole 45 is within the range represented by the following formula using the laminated thickness L of the core 11. Is desirable. D ⁇ L ⁇ tan10 °
  • the above incident angle ⁇ is more preferably 15 ° or more.
  • the radial size D of the core 11 of the through hole 45 is a range represented by the following expression. D ⁇ L ⁇ tan15 °
  • the width W of the through hole 45 (the size of the core 11 in the circumferential direction, see FIG. 3) needs to be at least equal to or larger than the beam diameter of the electron beam 52.
  • the range through which the electron beam 52 passes through the through hole 45 for example, it is preferably 2 mm or more.
  • the range in which the electron beam 52 passes is within the distance corresponding to the minimum value of D obtained from one of the above-mentioned formulas from the side of the bridge 48 in the through hole 45.
  • the width V of the bridge 48 (distance between the through hole 45 and the through hole 46, see FIG. 3) is the width of the bridge portion 28 in the core 11. That is, it is sufficient if the melting range by the electron beam 52 extends to the shaft 12. That is, it is appropriate to be smaller than the depth to be welded, for example, within a range of 1 to 5 mm. Therefore, the fact that the end face for welding and the end face for attaching the rotation transmission member are adjacent means that the distance between the holes is smaller than the melting depth when welding.
  • the direction of movement of the electron gun 51 may be reversed ((B) ⁇ (A)).
  • the welding can be appropriately performed by changing the emission direction of the electron beam 52.
  • the electron gun 51 may be fixed and the core 11 that is the object may be moved.
  • welding is performed on the entire range from one side thereof, but half of each may be performed from both sides. In that case, L may be replaced with L / 2 in the above formula D.
  • laser welding can be used instead of electron beam welding.
  • (4) fillet welding was used instead of the above lap welding as the welding method in the welding process. That is, the bridge 48 between the welding through hole 25 and the shaft through hole 26 is eliminated, and a part of the through hole through which the shaft 12 passes is expanded in the radial direction of the core. From the space between the expanded through hole (through hole 64 in FIG. 6, through hole 74 in FIG. 8) and the shaft 12, electrons are transferred from the wall surface of the through hole to the shaft 12. The shaft 12 and the core were welded by irradiating the beam. That is, the through hole for welding and the through hole for shaft are made into one continuous through hole 64, 74.
  • the contact portion with the shaft 12 corresponds to the rotation transmitting member mounting end surface
  • the wall surface of the through holes 64 and 74 is along the contact portion with the shaft 12.
  • the part within the range corresponds to the end face for welding. These are positions that can be melted together by irradiating the boundary with an electron beam. Therefore, the fact that the end face for welding and the end face for attaching the rotation transmitting member are adjacent means that, when the hole is continuous, it is within the range where melting by the irradiation of the electron beam reaches.
  • a through hole for embedding a permanent magnet (corresponding to the through hole 23 in FIG. 1) is omitted. Further, although a through hole (corresponding to the through hole 24 in FIG. 1) may be further provided for weight reduction, this is also omitted.
  • the rotor 61 shown in FIG. 6 has a core 63 and a shaft 12.
  • the core 63 is formed with an equilateral triangular through hole 64 having a size in which the shaft 12 is inscribed.
  • the rotor 61 is the shaft 61 inserted and fixed in the through hole 64.
  • the core 63 is formed by stacking yokes 65 formed in the shape shown in FIG. When the yoke 65 is laminated and the shaft 12 is inserted into the through hole 64, the yoke 65 is inserted as shown by a broken line in FIG.
  • the through hole 64 corresponds to the through hole 46 and the through hole 45 in FIG. There is no portion corresponding to the bridge 48.
  • the three locations where the yoke 65 and the shaft 12 are in contact correspond to the rotation transmission member mounting end surface.
  • a portion slightly away from the shaft 12 corresponds to the end surface for welding within a range in which the rotation transmitting member can be fused together by welding from both ends of the rotation transmission member mounting end surface. Therefore, also in this embodiment, these end faces are adjacent positions.
  • the through hole 64 and the outer peripheral surface of the shaft 12 are in contact with each other at three locations, and at the three apex locations of the through hole 64, a gap 67 is provided between the yoke 65 and the shaft 12. Remains. Therefore, the gap 67 can be used to irradiate the electron beam toward the boundary where the through hole 64 and the outer peripheral surface of the shaft 12 are in contact, as indicated by an arrow Y in the drawing. Thereby, the core 63 and the shaft 12 can be welded at the boundary.
  • a rotor 71 as shown in FIG. 8 may be used.
  • the core 73 of the rotor 71 has a through hole 74 and is formed by stacking yokes 75 shown in FIG.
  • a hump-like extended portion 74b is formed at three locations.
  • the shaft 12 is inserted into the through hole 74, it is inserted as shown by a broken line in FIG.
  • the outer peripheral shape portion 74a corresponds to the rotation transmitting member attachment end surface
  • the wall surface of the extended portion 74b within the range along the outer peripheral shape portion 74a corresponds to the end surface for welding. These are arranged adjacent to each other in the aforementioned sense.
  • the welding through hole 25 for welding is formed adjacent to the shaft through hole 26 through which the shaft 12 passes through a part of the core 11. Since the welding mark 29 extending from the welding through hole 25 to the shaft 12 is formed, all the yokes 41 and the shaft 12 constituting the core 11 are securely fixed. Further, since each yoke 41 is fixed in all directions by welding, a fixing process is not necessary. Further, a plate material sandwiching both end portions of the core 11 in the stacking direction, a space for caulking, and the like that are conventionally used are unnecessary. Therefore, it is easy to reduce the size and weight of the rotating electrical machine, and the rotor can be manufactured with a small number of processes.
  • the outer shape of the shaft is not limited to a cylindrical shape, but may be a polygonal column shape, a spline, a serration, or the like.
  • the shaft and the core may be further fitted with a key and a key groove.
  • one side of the core in the stacking direction can be received by a flange portion provided on the shaft.
  • the shaft is not limited to a single shaft, but may be a divided type.
  • the steel plates in the core may be fixed in advance by caulking, welding, bonding, resin molding, or the like.
  • a core that is divided into a plurality of parts in the circumferential direction may be used as the core.
  • the present invention is not limited to the permanent magnet embedded IPM type motor, but can also be applied to an SPM type motor in which a magnet is arranged on the rotor surface. Further, the present invention can be applied not only to the inner rotor type but also to the outer rotor type.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

La présente invention a trait à un rotor (10) qui est pourvu d'un noyau (11) qui est constitué de plaques d'acier stratifiées (21) et dont la surface d'extrémité destinée à fixer un élément de transmission de rotation (la surface de paroi d'un trou traversant (26) pour un arbre) est formée entièrement dans la direction de stratification, et d'un élément de transmission de rotation (arbre (12)) attaché à la surface d'extrémité du noyau (11) destinée à fixer l'élément de transmission de rotation. Dans le noyau (11) du rotor (10), la surface d'extrémité destinée au soudage (la surface de paroi d'un trou traversant (25) pour soudage) est formée entièrement dans la direction de stratification à un emplacement adjacent à la surface d'extrémité destinée à fixer l'élément de transmission de rotation et une trace de soudage (29) s'étendant en direction de l'élément de transmission de rotation est formée entièrement dans la direction de stratification du noyau (11) sur la surface d'extrémité destinée au soudage. Grâce à la présente invention, les dimensions et le poids des machines électriques tournantes peuvent être facilement réduits et le rotor peut être fabriqué au moyen d'un petit nombre d'étapes.
PCT/JP2009/067633 2009-10-09 2009-10-09 Rotor et procédé de fabrication associé WO2011042984A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020117017167A KR101224700B1 (ko) 2009-10-09 2009-10-09 로터 및 그 제조 방법
CN200980155423.8A CN102292898B (zh) 2009-10-09 2009-10-09 转子及其制造方法
EP09850255.2A EP2487777A4 (fr) 2009-10-09 2009-10-09 Rotor et procédé de fabrication associé
JP2011506515A JP5126414B2 (ja) 2009-10-09 2009-10-09 ロータおよびその製造方法
US13/145,864 US8669686B2 (en) 2009-10-09 2009-10-09 Rotor and method of manufacturing the rotor
PCT/JP2009/067633 WO2011042984A1 (fr) 2009-10-09 2009-10-09 Rotor et procédé de fabrication associé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/067633 WO2011042984A1 (fr) 2009-10-09 2009-10-09 Rotor et procédé de fabrication associé

Publications (1)

Publication Number Publication Date
WO2011042984A1 true WO2011042984A1 (fr) 2011-04-14

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PCT/JP2009/067633 WO2011042984A1 (fr) 2009-10-09 2009-10-09 Rotor et procédé de fabrication associé

Country Status (6)

Country Link
US (1) US8669686B2 (fr)
EP (1) EP2487777A4 (fr)
JP (1) JP5126414B2 (fr)
KR (1) KR101224700B1 (fr)
CN (1) CN102292898B (fr)
WO (1) WO2011042984A1 (fr)

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JP2014050210A (ja) * 2012-08-31 2014-03-17 Hitachi Automotive Systems Ltd 回転電機
JP2014050218A (ja) * 2012-08-31 2014-03-17 Denso Corp マルチギャップ型回転電機
US8698371B2 (en) 2010-03-15 2014-04-15 Toyota Jidosha Kabushiki Kaisha Rotor and method of manufacturing the rotor
GB2506932A (en) * 2012-10-15 2014-04-16 Nissan Motor Mfg Uk Ltd Laminated rotor assembly
JP2018133906A (ja) * 2017-02-15 2018-08-23 トヨタ自動車株式会社 回転電機ロータ
JP2019062644A (ja) * 2017-09-26 2019-04-18 アイシン・エィ・ダブリュ株式会社 回転電機
WO2019088156A1 (fr) * 2017-10-31 2019-05-09 日本電産株式会社 Rotor et moteur
WO2020230507A1 (fr) * 2019-05-15 2020-11-19 パナソニックＩｐマネジメント株式会社 Rotor et moteur comprenant ledit rotor

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US20140097711A1 (en) * 2012-10-05 2014-04-10 Larry Kubes One piece rotor hub/shaft for an electric machine and method
JP6495747B2 (ja) * 2015-06-05 2019-04-03 株式会社三井ハイテック 積層鉄心の検査装置及び積層鉄心の検査方法
DE102017104892B4 (de) * 2017-03-08 2023-09-14 Nidec Corporation Gehäuse für einen Elektromotor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475004A (en) * 1977-11-28 1979-06-15 Hitachi Ltd Method for manufacturing rotor
JPS5734747A (en) * 1980-08-08 1982-02-25 Toshiba Corp Rotary electric machine
JPS5911745A (ja) * 1982-07-09 1984-01-21 Toshiba Corp 回転電機
JPH05199695A (ja) * 1992-01-20 1993-08-06 Toshiba Corp 回転電機の固定子枠
JP2000116046A (ja) * 1998-10-02 2000-04-21 Miyachi Technos Corp モータ回転子及びその組立方法
JP2002136067A (ja) 2000-10-27 2002-05-10 Nissan Motor Co Ltd 磁石モータ用ロータ
JP2006254662A (ja) * 2005-03-14 2006-09-21 Mitsubishi Electric Corp 回転子およびモータ
JP2007124752A (ja) 2005-10-26 2007-05-17 Toyota Motor Corp ロータシャフトおよびロータシャフトの製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046620B2 (ja) * 1980-10-24 1985-10-17 株式会社デンソー 回転電機用鉄心
FI91818C (fi) * 1992-08-21 1994-08-10 Abb Stroemberg Drives Oy Sähkökoneen roottorirakenne
JPH09168258A (ja) 1995-12-14 1997-06-24 Matsushita Electric Ind Co Ltd アマチュアコアの組立方法
JPH10164802A (ja) 1996-11-27 1998-06-19 Toshiba Corp 鉄心の製造方法
JP3555377B2 (ja) 1997-03-12 2004-08-18 三菱電機株式会社 ロータ及びロータの製造方法
JP2001298903A (ja) * 2000-04-10 2001-10-26 Moric Co Ltd ブラシレスｄｃモータ
JP4590714B2 (ja) * 2000-10-23 2010-12-01 パナソニック株式会社 ブラシレスモータ及びその製造方法
GB0109847D0 (en) * 2001-04-21 2001-06-13 Johnson Electric Sa Motor
JP3724447B2 (ja) * 2002-04-01 2005-12-07 日産自動車株式会社 ロータ構体及びその製造方法
JP3790824B2 (ja) * 2004-01-29 2006-06-28 三菱電機株式会社 ロータ及びその製造方法
TWI382634B (zh) * 2004-12-15 2013-01-11 Panasonic Corp 具雙重絕緣構造之馬達及搭載有該馬達之電子機器
JP5231790B2 (ja) * 2007-11-20 2013-07-10 日本電産テクノモータ株式会社 モータ回転子及びモータ
DE102007055542A1 (de) * 2007-11-21 2009-06-04 Bühler Motor GmbH Rotor eines Elektromotors

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475004A (en) * 1977-11-28 1979-06-15 Hitachi Ltd Method for manufacturing rotor
JPS5734747A (en) * 1980-08-08 1982-02-25 Toshiba Corp Rotary electric machine
JPS5911745A (ja) * 1982-07-09 1984-01-21 Toshiba Corp 回転電機
JPH05199695A (ja) * 1992-01-20 1993-08-06 Toshiba Corp 回転電機の固定子枠
JP2000116046A (ja) * 1998-10-02 2000-04-21 Miyachi Technos Corp モータ回転子及びその組立方法
JP2002136067A (ja) 2000-10-27 2002-05-10 Nissan Motor Co Ltd 磁石モータ用ロータ
JP2006254662A (ja) * 2005-03-14 2006-09-21 Mitsubishi Electric Corp 回転子およびモータ
JP2007124752A (ja) 2005-10-26 2007-05-17 Toyota Motor Corp ロータシャフトおよびロータシャフトの製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2487777A4 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8698371B2 (en) 2010-03-15 2014-04-15 Toyota Jidosha Kabushiki Kaisha Rotor and method of manufacturing the rotor
JP2014050210A (ja) * 2012-08-31 2014-03-17 Hitachi Automotive Systems Ltd 回転電機
JP2014050218A (ja) * 2012-08-31 2014-03-17 Denso Corp マルチギャップ型回転電機
GB2506932A (en) * 2012-10-15 2014-04-16 Nissan Motor Mfg Uk Ltd Laminated rotor assembly
JP2018133906A (ja) * 2017-02-15 2018-08-23 トヨタ自動車株式会社 回転電機ロータ
JP2019062644A (ja) * 2017-09-26 2019-04-18 アイシン・エィ・ダブリュ株式会社 回転電機
WO2019088156A1 (fr) * 2017-10-31 2019-05-09 日本電産株式会社 Rotor et moteur
JPWO2019088156A1 (ja) * 2017-10-31 2020-11-12 日本電産株式会社 ロータおよびモータ
WO2020230507A1 (fr) * 2019-05-15 2020-11-19 パナソニックＩｐマネジメント株式会社 Rotor et moteur comprenant ledit rotor
JP2020188611A (ja) * 2019-05-15 2020-11-19 パナソニックＩｐマネジメント株式会社 ロータ及びそれを備えたモータ
CN113812064A (zh) * 2019-05-15 2021-12-17 松下知识产权经营株式会社 转子和具有该转子的电动机
JP7266180B2 (ja) 2019-05-15 2023-04-28 パナソニックＩｐマネジメント株式会社 ロータ及びそれを備えたモータ
CN113812064B (zh) * 2019-05-15 2024-05-17 松下知识产权经营株式会社 电动机

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JP5126414B2 (ja) 2013-01-23
JPWO2011042984A1 (ja) 2013-02-28
CN102292898A (zh) 2011-12-21
US20120019097A1 (en) 2012-01-26
EP2487777A4 (fr) 2016-01-06
US8669686B2 (en) 2014-03-11
EP2487777A1 (fr) 2012-08-15
CN102292898B (zh) 2014-07-02
KR101224700B1 (ko) 2013-01-21

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